Home / 8,188.46-12,280.58-2,343.72

Finding the Fourth Proportional to 8,188.46, 12,280.58 and 2,343.72

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Solution

The fourth proportional to 8,188.46, 12,280.58 and 2,343.72 is: 3,514.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,188.46 : 12,280.58 = 2,343.72 : x
  2. Step 2: Convert to fraction form
    8,188.46/12,280.58 = 2,343.72/x
  3. Step 3: Cross multiply
    8,188.46x = 12,280.58 × 2,343.72
  4. Step 4: Simplify right side
    8,188.46x = 28,782,240.96
  5. Step 5: Solve for x
    x = 28,782,240.96/8,188.46
  6. Step 6: Final answer
    x = 3,514.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.